From: Simon Krahnke <overlord@...>
Date: 2008-05-03T10:05:06+09:00
Subject: Re: Extracting a value from an array

* I�aki Baz Castillo <ibc@aliax.net> (00:07) schrieb:

> El Viernes, 2 de Mayo de 2008, Simon Krahnke escribi�:
>> That's simply the wrong data structure for the task. So the question is:
>> why not use a Hash?
>
> Maybe

Yeah, maybe, or maybe not. That's why I ask.

> because in some text protocol (as HTTP or SIP) there can be some headers 
> appearing more than one time (being completely valid).

You can use an Array as the value.

> Also a header name can be case insensitive and this requires a
> extension of the Hash class or delegation.

Or I just use the lower case representation as the key.

The only case where you just can't use a Hash is when there is an order
on the elements that can't be reconstructed. But even then I can just
put the Hash keys in an additional Array.

mfg,                        simon .... l